Gemini 2.5 Flash Preview vs Gemini 2.5 Flash Preview (thinking)
Compare Gemini 2.5 Flash Preview and Gemini 2.5 Flash Preview (thinking), both from Google AI, context windows of 1.0M vs 1.0M, tested across 18 shared challenges. Updated April 2026.
Which is better, Gemini 2.5 Flash Preview or Gemini 2.5 Flash Preview (thinking)?
Gemini 2.5 Flash Preview and Gemini 2.5 Flash Preview (thinking) are both competitive models. Gemini 2.5 Flash Preview costs $0.15/M input tokens vs $0.175/M for Gemini 2.5 Flash Preview (thinking). Context windows: 1049K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Flash Preview and Gemini 2.5 Flash Preview (thinking)
Gemini 2.5 Flash Preview is made by google while Gemini 2.5 Flash Preview (thinking) is from google. Gemini 2.5 Flash Preview has a 1049K token context window compared to Gemini 2.5 Flash Preview (thinking)'s 1049K. On pricing, Gemini 2.5 Flash Preview costs $0.15/M input tokens vs $0.175/M for Gemini 2.5 Flash Preview (thinking).
Our Verdict
Gemini 2.5 Flash Preview
Gemini 2.5 Flash Preview (thinking)
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemini 2.5 Flash Preview is 5.8x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
87%
Gemini 2.5 Flash Preview uses 8.8x more headings
Gemini 2.5 Flash Preview
Gemini 2.5 Flash Preview (thinking)
51%Vocabulary53%
15wSentence Length14w
0.70Hedging0.38
4.1Bold4.4
3.3Lists4.1
0.00Emoji0.00
0.09Headings0.00
0.24Transitions0.24
Based on 12 + 7 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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